Supplementary information
Preparation of WO3/g-C3N4 composite photocatalysts and their enhanced photocatalytic
activity under visible light irradiation
M. A. Gondal a,*, A. A. Adesida a, S.G. Rashid a, Shan Shi b, Z.H. Yamani a,
Kai Shen b, Qingyu Xu c, Xiaofeng Chang b
a. Physics Department and Center of Excellence in Nanotechnology (CENT), King
Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia;
b. College of Materials Science and Technology, Nanjing University of Aeronautics and
Astronautics, Nanjing, 211100, China;
c. Physics Department, Southeast University, Nanjing 211189, China.
Tel.: +966 38602351; Fax: +966 38602293.
E-mail address: magondal@kfupm.edu.sa (M.A. Gondal).
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Fig. S1. First-order plots for the photocatalytic degradation over WO3/g-C3N4-x (x=0~1).
Experimental conditions: catalyst dosage= 50 mg, volume of solution = 100 mL, initial
concentration of RhB = 8.5 mg L-1
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Fig. S2. Temporal UV-Vis absorption spectral changes of RhB during the
photodegradation process by g-C3N4 (a), WO3 (b), and WO3/g-C3N4-0.1 (c).
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